Identity checkMatches
✓CardEX Emerald #101/106 · Holo (1 of 2 printings)
✓Tracker matchGrass Energy · EX Emerald · #101/106
✓Raw pricePulse $19.56 vs tracker $18.33 (-6%)
✓Gem rate11.1% · GemRate snapshot enrichment · this printing
!PSA 10 comp$126.50 · PokemonPriceTracker 90d · matched by product ID
!PSA 9 comp$24.00 · PokemonPriceTracker 90d · matched by product ID
!PSA 8 comp$17.24 · PokemonPriceTracker 90d · matched by product ID
Your grading resultsNone logged
Your results on this set: none graded yet
Your results on Vintage: none graded yet
Vintage grade odds use the starting assumptions until 5 Vintage grades are back.
Graded economics-82%
PSA 10$126.50PokemonPriceTracker 90d
PSA 9$24.00PokemonPriceTracker 90d
PSA 8$17.24PokemonPriceTracker 90d
Net EV−$76.88$16.57 net sale vs $93.45 cost
EV rangeEV range: -85% / -82% / -79% (pessimistic / expected / optimistic)Max buy: none (the pessimistic case can't return 20% at any price), with the card's value held at $19.56PSA 10 rate 8.0–15.2% (80% interval on 14 / 126); comps ±5.0% (comp quality 93). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 5% / 9 43% / 8 28% / ≤7 24%
PSA 10 ratePopulation 11.1% → adjusted 5.0% (Vintage, ×0.45 at $20 value, starting assumption)
Break-evenNeeds ≥ 89.3% adjusted (over 100% population)
CostsRaw $19.56 + shipping $5.00 + grading $59.99 (expected) + submission shipping $6.00 + time cost $2.90 = $93.45Net sale after fees: PSA 10 $103.17 · PSA 9 $15.20 · PSA 8 $9.40 · ≤7 $9.40PSA tier: Standard $59.99; about 133 days at PSA. PSA and eBay fees from their official pages; eBay fees include 7% sales tax in their base; that, the shipping and the 10%/yr time cost are your assumptions (Settings).
Grade splitVintage grade split (starting assumption); ≤7 valued at 90% of raw
PSA 10/9 premium5.3x
PopulationPSA 10
Gem rate11.1%
PSA 10 pop14
Total pop126
SourceGemRate snapshot enrichment
PSA 10 velocity-
Total velocity-
SnapshotJun 21, 2026
Scarcity74/100
LabelWatch
Confidence100/100
Supply79/100
Demand31/100
Gem rate 11.1%PSA 10 pop 14/126PSA 10/9 premium 5.3xSupply constraint 79/100
Raw validationconfirmed
TCG market$18.33
Pulse price$19.56
Delta-6%
CheckedOct 13, 2026
Grass EnergyPSA comps refreshed Oct 13, 2026PSA sales window 90 days
Signal context1
Support$18.11 floor, 4 tests
Other printings of this card
*All-time high/low are within the tracked window (2024-03-08 - 2026-10-14). Raw, ungraded TCGplayer market price (blue) and cheapest listing (grey) via the free TCGCSV mirror. Personal, non-commercial prototype - not investment advice.